Eternal Threads Achievements Here is the full list of all 10 Eternal Threads achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply RescuerSave one housemate. SaviourSave all six housemates. Righter of WrongsSave all six housemates while also resolving their personal issues. LocksmithOpen all four locked doors in the house. Good ListenerListen to voicemails for all six housemates. InvestigatorWitness every possible event across all the different timelines. Avid ReaderRead all letters in the house. Beam Me Up ScottyReceive a final revelation. Morbidly CuriousWatch all possible death scenes across all the possible time lines. Secrets OutWatch all the housemates reveal their secrets.